Different manufacturers can have the exact same part number. A great way to check that the part matches your appliance is by ensuring your measurements are the same as ours! Please contact us if you need help.
Seal ring
1/4" thick
****for cookers made before 1983****, if your cooker was made after 1983 please use gasket mi-9882..gaskets may need to be soaked several times in water before they can be used to make sure they expand properly. outside diameter 14-1/2 - inside diameter
You can tell the age of your mirro by looking on the bottom - there should be a fraction such as a 3 on top and an 81 on the bottom. that means it was made in march of 1981. that will help you determine which gasket to buy.
MI-3440, opc3440, 3440, MI3440, S-3440, S3440, B0G49VDFN4
4.7